Box. On Mouse Leave(EventArgs) Method
Raises the MouseLeave event.
protected: override void OnMouseLeave(EventArgs ^ e);
protected override void OnMouseLeave (EventArgs e);
override this.OnMouseLeave : EventArgs -> unit
Protected Overrides Sub OnMouseLeave (e As EventArgs)
Raising an event invokes the event handler through a delegate. For more information, see Handling and Raising Events.
The OnMouseLeave method also allows derived classes to handle the event without attaching a delegate. This is the preferred technique for handling the event in a derived class.